Answer:
Step-by-step explanation:
1. The probability that your mail is delivered before 2 pm is 0.9, so the probability that the mail is delivered at 2 pm or after 2 pm (so not before 2 pm) is 1-0.9=0.1.
Remark: 0.9=9/10=90/100=90%, and 0.1 is 10%
2. Probability of the mail being delivered before 2 pm for 2 consecutive days is
3. take a look at the picture attached, the tree diagram is another method we could use.
Answer:
3x-3+x
Step-by-step explanation:
3x-3 because of Joey's amount and +x for bob's amounts. I can't give total answer until I am given total amount of cheetos.
Answer:
Step-by-step explanation:
d
